see 01/29 log

Author: Blankj

app/src/main/AndroidManifest.xml

@@ -4,7 +4,7 @@
 
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
 
-    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <!--bar-->
     <uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
@@ -142,6 +142,9 @@
         <activity
             android:name=".feature.core.process.ProcessActivity"
             android:launchMode="singleTop" />
+        <activity
+            android:name=".feature.core.reflect.ReflectActivity"
+            android:launchMode="singleTop" />
         <activity
             android:name=".feature.core.screen.ScreenActivity"
             android:launchMode="singleTop" />

app/src/main/java/com/blankj/androidutilcode/feature/core/CoreUtilActivity.java

@@ -20,6 +20,7 @@
 import com.blankj.androidutilcode.feature.core.permission.PermissionActivity;
 import com.blankj.androidutilcode.feature.core.phone.PhoneActivity;
 import com.blankj.androidutilcode.feature.core.process.ProcessActivity;
+import com.blankj.androidutilcode.feature.core.reflect.ReflectActivity;
 import com.blankj.androidutilcode.feature.core.screen.ScreenActivity;
 import com.blankj.androidutilcode.feature.core.sdcard.SDCardActivity;
 import com.blankj.androidutilcode.feature.core.snackbar.SnackbarActivity;
@@ -127,6 +128,10 @@ public void processClick(View view) {
         ProcessActivity.start(this);
     }
 
+    public void reflectClick(View view) {
+        ReflectActivity.start(this);
+    }
+
     public void screenClick(View view) {
         ScreenActivity.start(this);
     }

app/src/main/java/com/blankj/androidutilcode/feature/core/reflect/ReflectActivity.java

@@ -0,0 +1,60 @@
+package com.blankj.androidutilcode.feature.core.reflect;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+
+import com.blankj.androidutilcode.R;
+import com.blankj.androidutilcode.base.BaseBackActivity;
+import com.blankj.utilcode.util.ReflectUtils;
+import com.blankj.utilcode.util.SpanUtils;
+
+/**
+ * <pre>
+ *     author: Blankj
+ *     blog  : http://blankj.com
+ *     time  : 2018/01/29
+ *     desc  :
+ * </pre>
+ */
+public class ReflectActivity extends BaseBackActivity {
+
+    public static void start(Context context) {
+        Intent starter = new Intent(context, ReflectActivity.class);
+        context.startActivity(starter);
+    }
+
+    @Override
+    public void initData(Bundle bundle) {
+
+    }
+
+    @Override
+    public int bindLayout() {
+        return R.layout.activity_reflect;
+    }
+
+    @Override
+    public void initView(Bundle savedInstanceState, View view) {
+        getToolBar().setTitle(getString(R.string.demo_reflect));
+
+        TextView tvAboutReflect = findViewById(R.id.tv_about_reflect);
+
+        tvAboutReflect.setText(new SpanUtils()
+                .appendLine("before reflect: " + ReflectUtils.reflect(TestPrivateStaticFinal.class).field("I1").get())
+                .append("after reflect: " + ReflectUtils.reflect(TestPrivateStaticFinal.class).field("I1", 2).field("I1").get())
+                .create());
+    }
+
+    @Override
+    public void doBusiness() {
+
+    }
+
+    @Override
+    public void onWidgetClick(View view) {
+
+    }
+}

app/src/main/java/com/blankj/androidutilcode/feature/core/reflect/TestPrivateStaticFinal.java

@@ -0,0 +1,17 @@
+package com.blankj.androidutilcode.feature.core.reflect;
+
+/**
+ * <pre>
+ *     author: Blankj
+ *     blog  : http://blankj.com
+ *     time  : 2018/01/12
+ *     desc  :
+ * </pre>
+ */
+public class TestPrivateStaticFinal {
+    private static final int I1 = 1;
+
+    public static int getI1() {
+        return I1;
+    }
+}

app/src/main/res_core/layout/activity_reflect.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center_horizontal"
+    android:orientation="vertical"
+    android:padding="@dimen/spacing_16">
+
+    <TextView
+        android:id="@+id/tv_about_reflect"
+        style="@style/TextStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

app/src/main/res_core/layout/activity_util_core.xml

@@ -106,6 +106,13 @@
         android:onClick="processClick"
         android:text="@string/demo_process" />
 
+    <Button
+        style="@style/WideBtnStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:onClick="reflectClick"
+        android:text="@string/demo_reflect" />
+
     <Button
         style="@style/WideBtnStyle"
         android:layout_width="match_parent"

app/src/main/res_core/values/strings.xml

@@ -14,6 +14,7 @@
     <string name="demo_permission">PermissionUtils Demo</string>
     <string name="demo_phone">PhoneUtils Demo</string>
     <string name="demo_process">ProcessUtils Demo</string>
+    <string name="demo_reflect">ReflectUtils Demo</string>
     <string name="demo_screen">ScreenUtils Demo</string>
     <string name="demo_sdcard">SDCardUtils Demo</string>
     <string name="demo_snackbar">Snackbar Demo</string>

utilcode/src/test/java/com/blankj/utilcode/util/FileUtilsTest.java

@@ -171,6 +171,7 @@ public void getDirLength() throws Exception {
     @Test
     public void getFileLength() throws Exception {
         System.out.println(FileUtils.getFileLength(PATH_FILE + "UTF8.txt"));
+        System.out.println(FileUtils.getFileLength("https://raw.githubusercontent.com/Blankj/AndroidUtilCode/85bc44d1c8adb31027870ea4cb7a931700c80cad/LICENSE"));
     }
 
     @Test